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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#include "base/memory/raw_ptr.h"
#include "content/browser/renderer_host/media/ref_counted_video_source_provider.h"
#include "content/browser/renderer_host/media/video_capture_provider.h"
#include "content/common/content_export.h"
#include "content/public/browser/video_capture_device_launcher.h"
#include "media/base/scoped_async_trace.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
namespace content {
// Implementation of VideoCaptureDeviceLauncher that uses uses
// video_capture::mojom::VideoCaptureService.
class CONTENT_EXPORT ServiceVideoCaptureDeviceLauncher
: public VideoCaptureDeviceLauncher {
public:
// Receives an instance via output parameter |out_provider|.
using ConnectToDeviceFactoryCB = base::RepeatingCallback<void(
scoped_refptr<RefCountedVideoSourceProvider>* out_provider)>;
explicit ServiceVideoCaptureDeviceLauncher(
ConnectToDeviceFactoryCB connect_to_source_provider_cb);
~ServiceVideoCaptureDeviceLauncher() override;
// VideoCaptureDeviceLauncher implementation.
void LaunchDeviceAsync(const std::string& device_id,
blink::mojom::MediaStreamType stream_type,
const media::VideoCaptureParams& params,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
Callbacks* callbacks,
base::OnceClosure done_cb) override;
void AbortLaunch() override;
private:
enum class State {
READY_TO_LAUNCH,
DEVICE_START_IN_PROGRESS,
DEVICE_START_ABORTING
};
using ScopedCaptureTrace =
media::TypedScopedAsyncTrace<media::TraceCategory::kVideoAndImageCapture>;
void OnCreatePushSubscriptionCallback(
mojo::Remote<video_capture::mojom::VideoSource> source,
mojo::Remote<video_capture::mojom::PushVideoStreamSubscription>
subscription,
base::OnceClosure connection_lost_cb,
std::unique_ptr<ScopedCaptureTrace> scoped_trace,
video_capture::mojom::CreatePushSubscriptionResultCodePtr result_code,
const media::VideoCaptureParams& params);
void OnConnectionLostWhileWaitingForCallback();
ConnectToDeviceFactoryCB connect_to_source_provider_cb_;
scoped_refptr<RefCountedVideoSourceProvider> service_connection_;
State state_;
SEQUENCE_CHECKER(sequence_checker_);
base::OnceClosure done_cb_;
raw_ptr<Callbacks> callbacks_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
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